freerbuf(D3DK) —

.IX \f4freerbuf\fP(D3DK)

NAME

freerbuf − free a raw buffer header .IX buffer header

SYNOPSIS

#include <sys/buf.h>
#include <sys/ddi.h>
void freerbuf(buf_t ∗bp);

ARGUMENTS

bpPointer to a previously allocated buffer header structure.

DESCRIPTION

freerbuf frees a raw buffer header previously allocated by getrbuf(D3DK). It may not be used on a buffer header obtained through any other interface. It is typically called from a driver’s iodone handler, specified in the b_iodone field of the buf(D4DK) structure.

RETURN VALUE

None.

LEVEL

Base or Interrupt.

NOTES

Does not sleep.

Driver-defined basic locks, read/write locks, and sleep locks may be held across calls to this function.

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